118 lines
3.1 KiB
Plaintext
118 lines
3.1 KiB
Plaintext
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// Copyright 2016 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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Shader "GoogleVR/UI/Overlay" {
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Properties {
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[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
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_Color ("Tint", Color) = (1,1,1,1)
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_StencilComp ("Stencil Comparison", Float) = 8
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_Stencil ("Stencil ID", Float) = 0
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_StencilOp ("Stencil Operation", Float) = 0
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_StencilWriteMask ("Stencil Write Mask", Float) = 255
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_StencilReadMask ("Stencil Read Mask", Float) = 255
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_ColorMask ("Color Mask", Float) = 15
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[Toggle(UNITY_UI_ALPHACLIP)] _UseUIAlphaClip ("Use Alpha Clip", Float) = 0
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}
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SubShader {
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Tags {
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// Overlay+110 fixes depth sorting between UI and controller.
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"Queue"="Overlay+110"
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"IgnoreProjector"="True"
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"RenderType"="Transparent"
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"PreviewType"="Plane"
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"CanUseSpriteAtlas"="True"
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}
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Stencil {
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Ref [_Stencil]
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Comp [_StencilComp]
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Pass [_StencilOp]
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ReadMask [_StencilReadMask]
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WriteMask [_StencilWriteMask]
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}
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Cull Off
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Lighting Off
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ZWrite Off
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ZTest [unity_GUIZTestMode]
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Blend SrcAlpha OneMinusSrcAlpha
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ColorMask [_ColorMask]
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Pass {
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Name "Default"
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#pragma target 2.0
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#include "UnityCG.cginc"
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#include "UnityUI.cginc"
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#pragma multi_compile __ UNITY_UI_ALPHACLIP
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struct appdata_t {
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : SV_POSITION;
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fixed4 color : COLOR;
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half2 texcoord : TEXCOORD0;
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float4 worldPosition : TEXCOORD1;
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};
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fixed4 _Color;
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fixed4 _TextureSampleAdd;
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float4 _ClipRect;
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v2f vert(appdata_t IN) {
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v2f OUT;
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OUT.worldPosition = IN.vertex;
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OUT.vertex = UnityObjectToClipPos(OUT.worldPosition);
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OUT.texcoord = IN.texcoord;
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#ifdef UNITY_HALF_TEXEL_OFFSET
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OUT.vertex.xy += (_ScreenParams.zw-1.0) * float2(-1,1) * OUT.vertex.w;
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#endif // UNITY_HALF_TEXEL_OFFSET
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OUT.color = IN.color * _Color;
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return OUT;
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}
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sampler2D _MainTex;
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fixed4 frag(v2f IN) : SV_Target {
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half4 color =
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(tex2D(_MainTex, IN.texcoord) + _TextureSampleAdd) * IN.color;
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color.a *= UnityGet2DClipping(IN.worldPosition.xy, _ClipRect);
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#ifdef UNITY_UI_ALPHACLIP
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clip (color.a - 0.001);
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#endif // UNITY_UI_ALPHACLIP
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return color;
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}
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ENDCG
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}
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}
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}
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